Club
Certificate
2023

Boat

Utla

NOR 10497

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.1°41.8°40.5°39.0°38.4°38.2°38.9°
Beat VMG3.273.994.514.865.025.095.11
52°5.035.976.566.917.097.177.24
60°5.316.226.767.087.277.387.47
75°5.496.406.917.237.467.657.86
90°5.476.507.087.407.577.768.16
110°5.556.647.237.627.968.268.66
120°5.396.517.157.587.988.359.07
135°4.876.016.847.327.728.128.98
150°4.055.156.106.857.297.668.41
Run VMG3.514.465.286.026.617.097.80
Gybe Angles144.2°147.4°148.7°157.7°168.2°177.2°178.1°

APH: 572.4

CDL: 8.763

GPH: 643.8

CertNo: 7826

BOAT
ClassDufour 34 StandardDesignerUmberto FelciBuilderDufourAge dateSeries date01/2003Offset fileDUF34PERF.offData file7826
HULL
Length Overall10.340 mMaximum Beam3.482 mDraft1.927 mDisplacement5,231 kgDLR6.7353IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight610 kgMinimum weight458 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.8932.69Headsail Luffed30.2930.29Headsail FlyingSymmetric70.3270.32Asymmetric87.6687.66 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib8.47Heavy Weather Jib22.85
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
ORC Ref  03440002KUPIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Utla

NOR 10497

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1099.5902.4798.2740.6717.7707.5704.1
52°715.5603.5548.6521.0507.6501.8497.3
60°677.8578.6532.5508.7495.2488.0482.0
75°656.3562.9520.8498.2482.5470.7457.9
90°658.5553.5508.5486.8475.6464.1441.3
110°649.0542.1498.3472.7452.4436.0415.8
120°667.8553.1503.2474.9451.4431.1397.0
135°739.4598.8526.2491.6466.4443.5401.0
150°888.7699.4590.0525.4493.5470.0428.3
Run VMG1026.2807.6681.2597.6545.0507.8461.7
Selected Courses
Windward / Leeward1062.8855.0739.7669.1631.3607.6582.9
All purpose815.5668.6593.2550.5526.9510.8489.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward703.50.8529
All purpose572.41.0483
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7408
Downwind "popa"0.9077
70% up, 30% down "Ilhabela"0.7840
30% up, 70% down "Ilhabela-inverso"0.8502
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Predominantly Upwind620.80.9665
Predominantly Downwind579.11.0360
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low742.00.8086
Triple Number All Purpose Medium568.71.0551
Triple Number All Purpose High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Predominantly Upwind620.80.9665
Predominantly Downwind579.11.0360
Predominantly Upwind Low832.40.7208
Predominantly Upwind Medium641.50.9353
Predominantly Upwind High593.01.0118
Predominantly Downwind Low804.60.7457
Predominantly Downwind Medium572.61.0478
Predominantly Downwind High479.01.2527
Chicago-Mac Upwind0.9476
Chicago-Mac All Purpose0.9784
Chicago-Mac Downwind1.0172
Bayview-Mac Cove Island0.9057
Bayview-Mac Shore0.9129
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching543.51.1039
Predominantly Reaching Low667.90.8983
Predominantly Reaching Medium537.71.1159
Predominantly Reaching High475.71.2612
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1046.80.5732
5-Band Low / Medium874.40.6861
5-Band Medium685.00.8759
5-Band Medium / High612.60.9794
5-Band High587.21.0219
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance623.3
Triple Number Coastal/Long Distance Low742.0
Triple Number Coastal/Long Distance Medium568.7
Triple Number Coastal/Long Distance High506.8
Triple Number Windward/Leeward Low958.9
Triple Number Windward/Leeward Medium698.6
Triple Number Windward/Leeward High604.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8086
Triple Number Coastal/Long Distance Medium1.0551
Triple Number Coastal/Long Distance High1.1838
Triple Number Windward/Leeward Low0.6257
Triple Number Windward/Leeward Medium0.8588
Triple Number Windward/Leeward High0.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low742.0
Triple Number Coastal/Long Distance Medium568.7
Triple Number Coastal/Long Distance High506.8
Triple Number Windward/Leeward Low958.9
Triple Number Windward/Leeward Medium698.6
Triple Number Windward/Leeward High604.3
Predominantly Upwind620.8
Predominantly Downwind579.1
Predominantly Reaching556.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8086
Triple Number Coastal/Long Distance Medium1.0551
Triple Number Coastal/Long Distance High1.1838
Triple Number Windward/Leeward Low0.6257
Triple Number Windward/Leeward Medium0.8588
Triple Number Windward/Leeward High0.9929
Coastal/Long Distance0.9626
Predominantly Upwind0.9665
Predominantly Downwind1.0360
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8086
Tretall Distanseseilas Mellomvind1.0551
Tretall Distanseseilas Mye vind1.1838
Tretall Pølsebane Lite vind0.6257
Tretall Pølsebane Mellomvind0.8588
Tretall Pølsebane Mye vind0.9929
Distanseseilas ett tall (OSN 8-16kn)0.9626
Distanseseilas ett tall (APH 6-20kn)1.0483
Enkeltall Motvind0.9665
Enkeltall Medvind1.0360
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Coastal/Long Distance623.30.9626
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind620.80.9665
Predominantly Downwind579.11.0360
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore590.31.0164
Cape Doctor Coastal495.91.2099
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8086
Triple Number Coastal/Long Distance Medium1.0551
Triple Number Coastal/Long Distance High1.1838
Triple Number Windward/Leeward Low0.6257
Triple Number Windward/Leeward Medium0.8588
Triple Number Windward/Leeward High0.9929
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8086
Triple Number Coastal/Long Distance Medium1.0551
Triple Number Coastal/Long Distance High1.1838
Triple Number Windward/Leeward Low0.6257
Triple Number Windward/Leeward Medium0.8588
Triple Number Windward/Leeward High0.9929
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Predominantly Upwind620.80.9665
Predominantly Downwind579.11.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.30.9626
Triple Number Coastal/Long Distance Low742.00.8086
Triple Number Coastal/Long Distance Medium568.71.0551
Triple Number Coastal/Long Distance High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1059.2803.2667.4586.9546.7516.2467.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low742.00.8086
Triple Number All Purpose Medium568.71.0551
Triple Number All Purpose High506.81.1838
Triple Number Windward/Leeward Low958.90.6257
Triple Number Windward/Leeward Medium698.60.8588
Triple Number Windward/Leeward High604.30.9929
Predominantly Upwind620.80.9665
Predominantly Downwind579.11.0360
Predominantly Upwind Low832.40.7208
Predominantly Upwind Medium641.50.9353
Predominantly Upwind High593.01.0118
Predominantly Downwind Low804.60.7457
Predominantly Downwind Medium572.61.0478
Predominantly Downwind High479.01.2527
Chicago-Mac Upwind0.9476
Chicago-Mac All Purpose0.9784
Chicago-Mac Downwind1.0172
Bayview-Mac Cove Island0.9057
Bayview-Mac Shore0.9129
Harvest Moon Regatta496.81.2076
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy593.41.0111
San Francisco Bay Medium693.50.8652
Predominantly Reaching543.51.1039
Predominantly Reaching Low667.90.8983
Predominantly Reaching Medium537.71.1159
Predominantly Reaching High475.71.2612
Windward/Leeward 60-40 Low967.30.6203
Windward/Leeward 60-40 Medium722.10.8309
Windward/Leeward 60-40 High639.80.9378
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1046.80.5732
5-Band Low / Medium874.40.6861
5-Band Medium685.00.8759
5-Band Medium / High612.60.9794
5-Band High587.21.0219
ORC Ref  03440002KUPIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Utla

NOR 10497

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34 StandardMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.340Max. Beam3.482Draft1.927Displacement5,231Wetted area23.67IMS L9.396LSM09.191Acc. length10.340Sink (kg/mm) 18.35
VCGD0.030VCGM0.061RM Rated (kg·m) 118.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0031
EDL2.170ST10.048ST20.170
ST30.170ST40.098ST50.285
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.830IG12.940ISP13.040MDT10.120MDL10.180MDT20.120MDL20.180TL0.720MW0.180GO0.200
E4.500J3.750BAS1.680FSDFoilSFJ0.000SPL3.880WPLTPS0.000BDMWT118.50MCG5.030
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.030Flotation Date01/01/2015MeasurerComment
SFFP0.390FFMFF1.324LCFcl5.792SG1.0130
SAFP9.636FAMFA1.033LCFsh6.039HBI1.140
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002KUPIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Utla

NOR 10497

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment330-2017050310160.160.961.752.923.7831.8903/05/2017Aktiv
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment398-2023050513080.060.571.132.363.735.1712.27NoNo 30.2905/05/2023Elvstrøm Epex technora466-2014032615120.070.601.112.113.094.0312.14NoNo 25.3026/03/2014Genoa 3
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment400-20120303120012.2012.2012.206.900.0070.3203/03/2012
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment625-20210526093514.9212.9013.917.577.53101%87.6626/05/2021Gran 2021
ORC Ref  03440002KUPIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org